#include<iostream>
#include<algorithm>
#include<map>
using namespace std;

int n,ans;
int a[100010];
map<int,int>mp;

signed main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    ios::sync_with_stdio(false);
    cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i=1;i<=n;++i){
        cin>>a[i];
        mp[a[i]]++;
    }
    int ans=0;
    for(auto i:mp){
        ans=max(ans,i.second);
    }
    cout<<ans;
}
